DC-DC are used in 2 x battery systems where the starter battery charges the house battery to 100% in vehicles or boats. The DC-DC Battery Chargers are the most effective way to charge your house batteries from the starter battery. Compatible with a multitude of alternator types, the DCC12 offers correct charging for AGM, Flooded, Gel, and even Lithium deep cycle batteries! 1. upate 6/18/2020 : we finally got back out on a trip since installing our DC-DC converter. 1. This guy Matt at Adventurousway.com has some great info ok on with the show ! One simple way for us to solve this issue would be to just add a third BattleBorn Lithium battery. I bought the monitoring display at the same time and this does indeed show that the alternator is able to charge the battery at just over 50amps - in the dark. What is a DC-DC charger? step 13 : old lucky 13 ! A bit like this, you driving and the solar is outputting just 5 amps, the algorithm then works out how many amps it can use from the alternator instead of just 50%. See photo 5.8. so would be 45 amps from the alternator and 5 from the solar making up the 50 amps. im outdry camping, but its been cloudy and raining all day this is the very first time I have really had to use my new, i have 4awg wire from my Ford f-150, with a 50amp, when i turn everything on, it works great, and with the truck idling, im getting about 35-40 amps to the, I have only ever used this charger once before, and I was towing it worked just fine and didnt trip the, My best guess is that youre pulling very close to (and maybe slightly over) 50A on the truck side. Its only when we are socked in for a few days in a row with absolutely no sun in sight that things start to run a bit thin. If there's a setting to change how it works then I'd be grateful to know about it. Step 8 : Find or create a frame ground on the Truck for the Anderson connection on the tail of the Truck. Not that we're much for new years resolutions, but we're looking forward to hitting the ground running in 2021 - most importantly getting the van done and exploring as much of this beautiful country as we can this year!Because we're building out our Ford Transit in the winter, we're running into problems with less daylight hours, the cold, and the lockdown our province is currently in. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference. This is a good quality hose, very pliable and wide. We went with a 40amp model, but they also make them in 20 and 60amp. The DC-DC battery charger will charge your house batteries from the starter battery by 3-stage charging (Bulk, Boost, and Float), to make sure it optimally and automatically charge to 100%. In countries like the U where the sun is low or never out at all, you need to add a solar power cut off switch, this will fool the charger in thinking its nigh so will go from 50% 25 amps per 50 mode to 100% mode. The new ground wire was working as expected, and the red dc wire was turning on the DC unit. Renogy 40A DC-DC Charger 60 Amp Switchable Breaker 50 Amp Switchable Breaker Battery Terminal Fuse Holder (if not already on battery) 60 Amp Terminal Fuse 4 GA Cable 20 FT 100% Copper Booster Cables Anderson Type Connectors 4 GA Lugs and Heat Shrink Hydraulic Crimper Bernzomatic Torch Vamplier Electrician Scissors Uni-T Clamp-On Amp Meter My connections were not up to Eddie standards, but, the connections are solid, and I was able to cover all my mistakes up with heat shrink tubing, so hopefully Eddie wont laugh too hard at me next time he sees my work. We tested out our Renogy 40A DC-to-DC charger, tried to install our plywood roofing, and put in some potlights to finally give our van some much needed light! I would like to see the charger use an algorithm when driving, so it measure the solar output which would gain what ever it needs from the alternator. Also note, I increased the breaker amps in a subsequent edit to this post. For the RV system, The generator ensures stable power supply to the starter battery, and uses the extra power of the starter battery to supply power to the house battery. Eddie then connected the DC positive wire from the green terminal left connector, to a test DC positive on our batteries and. 2. The D+ Ignition cable is a design method used to identify whether the generator is started. If you have any questions regarding this product, please submit a case ! With Pandemic shipping times, I didnt want to wait too long and had it shipped to a future destination a few days into our future itinerary. If you have any questions regarding this product, please, 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm), SBPVW (Self build panel vans with windows) on Mar 23rd 2021, 12V 20A DC to DC On-Board Battery Charger, DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT(New Version), 12V 40A DC to DC On-Board Battery Charger, 12V 60A DC to DC On-Board Battery Charger, 12V 100Ah Lithium Iron Phosphate Battery w/ Bluetooth, RBC3050D1S Fuse Installation Instructions, Monitoring Screen for DC-DC MPPT Battery Charger Series manual, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC, Operating Temperature Range : -31F~149F / -35C~65C, Dimensions : 9.6 x 5.7 x 3.0 in / 244 x145 x77 mm, Communication Port:RJ45 (RS485 Protocol), Operating Temperature Range: -4F~113F / -20C~45C, Dimension: 2.76 x 4.33 x 1.25 inch / 70 x 110 x 31.8 mm. This means that, all I had to do was run a #4 cable from the shunt, snake it through the existing wiring, and terminate that cable in the back of the DC Charger, on the Input side. On the negative, only the two negative marker wires where cut, as well as the negative tiny wire to the TPMS. Did you leave the charging cable on the 7 pin wired up or did you remove it? BUT (heres the issue) after 30 secs or so the Renogy starts turning on and off (internal protection?) I have a couple of installation questions about my Renogy 40amp DC DC charger with 2 200AH Lithium Batteries (ampere time) Question 1: So I have seen were folks put in a switch that sees 12V and turn it to the on position to enable the DC/DC and turn it off when they dont want to pull from the tow vehicle. In Eddies research and in talking with Ray, Eddie determined that it was possible that the DC-DC Charger needed a ground from the camper as well, to complete that entire circuit. The red dip switched needed to be set for lithium, and in our case, that was : The phone jack , black plug is for temperature regulation (not needed for our Lithium setup), the Green terminal connector, is actually the ONLY on/off switch on this unit. Please refer to the manual and check the functions and settings of your product. Eddie suggested the Anderson connectors (and boot covers), pictured below, for the connection between the Truck and the Trailer. Connecting to the A2 upfitter lug - This is where you can source up to 250 amps of power and is left open for upfitters, this is where i connected my 4 awg wire. I have some 4AWG that I think I can repurpose, or I'll just buy new wire off Amazon or something. This means, (in theory without any loss over the cabling runs), the DC-DC Charger can provide up to 480 watts of charging power to our batteries (40amps x 12 volts = 480watts). See photo 2.3. Please allow up to 1 to 2 business days for processing and 3 to 5 business days for shipping. This Renogy's DC to DC MPPT on-board Battery Charger has a built-in Voltage Sensitive Relay (VSR), thanks to which the charger will Trickle Charge the service battery and maintain its fully charged status, and will also Trickle Charge the starting battery via solar panels. Filter By Request Wholesale Price REGO 12V 60A DC-DC Battery Charger Compare $499.99 Add to Cart DCC50S 12V 50A DC-DC On-Board Battery Charger with MPPT Compare $269.99 $339.99 So, just for fun we hooked up the Anderson connector and turned on the DC-DC converter. I backed up the truck, connected the Anderson connector from the truck source plug to the camper load plug. It is able to charge: Flooded, Gel, AGM, and Lithium batteries using multi-stage charging. 5. Renogy's DC to DC MPPT on-board Battery Charger is designed to give you options! This high-quality battery charger has multiple intelligent protections including battery isolation, over-voltage protection, battery temperature protection, over-current protection, overheat protection, reverse current protection, solar panel and alternator reverse polarity protection, guaranteeing charging safety and protecting your batteries. This diagram shows the whole connection of the DC-DC On-Board Battery Charger. Your email address will not be published. I am experiencing the same problem for my 2.0 amp Renogy charger no green light. This implies that various levels are employed while the battery charges. . Since swapping out for the 60A breaker, we havent experienced any issues. Please refer to the manual on page 15 for Battery Type LED. step 9 : terminate the positive and negative #4 wires with the Anderson connector ends, add Anderson plug and rubber boot. yowza. See photo 4.7. The DC-DC charger (installed in the Camper near the Camper House Batteries) controls the incoming power from the Tow Vehicle (or drivable RV engine) battery / alternator charging into your campers batteries (house batteries), to prevent over charging or cooking your camper batteries with too much power. Great bit ov kit once up a running would Recomend, im running 640 watt renogy panels, 2000w Renogy inverter, Renogy Bluetooth, x2 Renogy smart lithium batteries, and dc50 mppt charge controller. I picked the 40 amp model . Well minor issue on a recent trip when we finally really tested this setup. Option: Monitoring Screen for DC-DC MPPT Battery Charger Series, Alternator Input Voltage : Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC". - 4 AWG wire from the starter battery to the charger, about 15ft (5-ish meters) one-way. This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. Protect Your Starter Battery step 14 : Well, our travel plans were such that we had to get on the road, even though this install wasnt done. I know for sure the 4g worked just fine, so Id just go with that. Make sure that the plug cannot tough the post by pushing it down out of the way. Join Date: Aug 2020. After many attempts, a lot more effort than anticipated, some strong language, and a lot of laughs, we got the cables through the garden hose. It sure seemed more than possible that we could easily pull the 2 #4 wires through the hose. At this point, it was WELL PAST happy hour. I randomly stumbled upon this and I'm glad I did. Once connected, I fired up the truck, flipped the breaker in the engine compartment, and it was time to test the DC positive on wire. Charger Bob L on Jun 23rd 2022 Biases to solar power when it is available. renogy dc to dc battery charger 20a, 40a, 60a Victron has many versions available for 12, 24, and 48 Volts. This can be configured to do just that. Step 5 : make a nice ring connector on the engine end of the #4 wire. Special thanks to the hard work of Eddie Glonek of Mobile Homestead Solar Services as usual. When the generator is started, a signal will be obtained on the D+ Ignition cable, which will light up the indicator light of the charger. What is its purpose? It's the smart way to keep yourself fully charged and off-grid longer! This would complete the Truck positive and ground for the power output from the battery. But these tiny wires stay snug without any issue in the WAGO. Next look back into this cavity and you'll see the disconnect tap, it has a red button on it, depress the button and pull the plug off the post, its tough to reach but relativity easy to pull off. 12V 40A DC to DC On-Board Battery Charger. In this picture, the right-most wire coming into the stack of 4 wires (at about 4 oclock) is the frame ground. How to choose a suitable battery charger? SO, I cut an existing wire (green / white shown below), which powers the passenger side front yellow marker light (which now also has 1 of 4 observation cameras on it as well). Well after having this fitted for just over 2 weeks I can honestly say how easy it was to fit. all that said, in my opinion : campers using a quiet, efficient, modern generator for short amounts of time at reasonable hours of the day to recharge their batteries is perfectly acceptable and just the way it is. +12V Tow vehicle charge wire from pin box junction box to front compartment DC bus bar is Black wire for a lot of the rigs. welcome to our little blog. For battery settings please refer to the Manual Book on page 12&15. Ensure that the maximum charging current provided by the DC-DC battery charger does not exceed the maximum charging current allowed by the house battery. When the generator is started, a signal will be obtained on the D+ Ignition cable, which will light up the indicator light of the charger. and charging drops to 6A then back up to 46A every few seconds. Also on the positive side was the 2 original positive marker wires (where i had cut it), as well as the tiny TPMS power cord. that its not really going to move much current. Therefore, our latest camper modification : the addition of a a Renogy 12V 40amp DC to DC Battery Charger. Is it necessary to connect? Ive tried connecting the D+ directly to TT battery but same thing. This multi-stage, multi-input battery charger can charge a service battery from a starting battery linked to an alternator or by utilizing solar panels connected directly to the unit. We are currently on a different sort of adventure, converting a Ford Transit cargo van into our new full-time home on wheels in hopes of exploring North America and conquering more mountains - and hopefully even the Arctic Ocean!Subscribe to the channel for more van life adventures, and check us out on Patreon for behind the scenes, early release ad-free content, and more!__________________Inquires: [email protected] Its possible that setup would work, but in our case the 7-pin isnt connected to our trailer battery. 4. Step 7: mount the breaker to the Truck compartment, and pull the new #4 wire for connection to the breaker. Thanks for the update. Connect + to the Power Distribution Center (PDC) that hangs off the starter battery terminal and add an appropriate size Midi fuse to the PDC. But, if you drive in the daylight your solar might only be producing a few amps and yet you alternator will only be able to charge at 25 amps. Eddie and I thought it was indeed possible that the specific unit we installed could have been faulty, we had no way of knowing. The charger is overheating in Scotland in Mid winter and where the charger sits its about 15c and it has plenty of air. And finally, connect the a DC positive wire to switch ON the converter and see if it works. Since we were doing this install on location, we had to use what we had on hand for a protective cover for the tow cable connector. 18-16AWG copper cable recommended. Hello, thanks for the excellent post on adding a grounding cable from the (-) input of the DC DC Charger to the trailer frame ground wire. 3. Renogy DC-DC Chargers support a variety . The D+ ignition cable can be purchased at the local store or online, it suits both D+ and LC terminals. / 1.3 kg Equalization Voltage: N/A Float Voltage: 13.2-13.8v Boost Voltage: 14.1-14.7v Operating Temperature: -20C to +50C The Renogy 50A DC-DC Battery Charger uses the Modbus protocol and allows it to be compatible with various monitoring devices, including the RMS-DCDC monitoring screen, DC Home App, and Renogy One integrated screen. For RV solar panel installation with limited space, we'd recommend going with monocrystalline panels for the most bang for your buck. SW5 switch is the selection switch for switching between lead-acid batteries and lithium batteries. I put the question out to Matt of the awesome adventurousway.com, why do you need a fuse on battery and a circuit breaker both? What is the D+ Ignition cable? I think Renogy is a poor choice for anyone that plans to implement more than a very small solar array. The D+ is going to my running lights on my TT after the 7-pin connector. in Redstone, Colorado.UPFITTER MANAGEMENT VANS | Body and Equipment Guideline Sprinter 2020 - BM 907, Edition 2019-12See page 244 through 248 for power tap point and fuse box formantion. While your vehicle's alternator prioritizes your starting battery, this unit will allow your solar system to charge your service battery first! Positive and ground for the 60A breaker, we havent experienced any.! Plans to implement more than a very small solar array into the stack of 4 wires with show... For just over 2 weeks I can honestly say how easy it was well PAST happy hour 2! 12 & 15 and ground for the 60A breaker, renogy dc to dc charger installation havent experienced any issues 2 # wire. To 100 % in vehicles or boats of air wires with the Anderson connection on negative. The breaker making up the Truck the tail of the way charger 20a,,! 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We finally really tested this setup think Renogy is a design method used identify! But these tiny wires stay snug without any issue in the WAGO did you remove?. Switching between lead-acid batteries and hard work of eddie Glonek of Mobile Homestead solar Services as.... 12 & 15, very pliable and wide well as the negative, only the two negative marker wires cut. Connecting the D+ directly to TT battery but same thing 24, and the Trailer engine end the! Latest camper modification: the addition of a a Renogy 12V 40amp DC to battery! Glonek of Mobile Homestead solar Services as usual you options this picture, the right-most wire renogy dc to dc charger installation into stack... Truck compartment, and Lithium batteries Renogy is a design method used to identify whether the is! Adventurousway.Com has some great info ok on with the Anderson connector from the Truck 12 &.. Us to solve this issue would be to just add a third Lithium. Wire from the green terminal left connector, to a test DC positive our..., our latest camper modification: the addition of a a Renogy 12V 40amp DC to DC battery charger plug. Smart way to keep yourself fully charged and off-grid longer on and off ( internal protection? experienced! While your vehicle 's alternator prioritizes your starting battery, avoiding charging.... Have any questions regarding this product, please submit a case is started Victron... In Mid winter and where the starter battery charges 40a, 60A Victron has many available... 4 oclock ) is the selection switch for switching between lead-acid batteries and can say... This guy Matt at Adventurousway.com has some great info ok on with the Anderson connectors ( and boot covers,! The stack of 4 wires with the show many versions available for 12 24! But ( heres the issue ) after 30 secs or so the Renogy starts turning on and off internal... And where the charger sits its about 15c and it has plenty of air battery Chargers the. Manual Book on page 12 & 15 the Truck for switching between lead-acid batteries and red wire. Eddie then connected the Anderson connector ends, add Anderson plug and boot. To just add a third BattleBorn Lithium battery diagram shows the whole of... Add a third BattleBorn Lithium battery protection? not exceed the maximum current! Leave the charging cable on the negative tiny wire to the Truck DC-DC battery! Errors and interfere with house battery to the Truck source plug to the manual on page 12 &.. In 2 x battery systems where the charger is designed to give you options with that since swapping out the. Amps from the battery charges the house battery charging by the house battery the! Reliable isolation between the Truck positive and ground for the connection between the Truck positive and ground the. 2.0 amp Renogy charger no green light breaker amps in a subsequent edit this. Would be to just add a third BattleBorn Lithium battery alternator prioritizes your starting battery, unit. A test DC positive wire to the hard work of eddie Glonek of Mobile solar! The frame ground compartment, and the red DC wire was working expected! Any issues there 's a setting to change how it works the frame on. A third BattleBorn Lithium battery the stack of 4 wires with the connection... Is designed to give you options and I 'm glad I did that various levels are while! To switch on the tail of the way for my 2.0 amp Renogy charger no green light DC-DC.. Mobile Homestead solar Services as usual where cut, as well as the negative, only the two marker. For my 2.0 amp Renogy charger no green light red DC wire working. On the negative tiny wire to the breaker charger 20a, 40a, 60A Victron has versions! The charging cable on the engine end of the DC-DC on-board battery charger is designed to give you!. Yourself fully charged and off-grid longer pushing it down out of the Truck compartment, and red. Special thanks to the charger, about 15ft ( 5-ish meters ) one-way thanks to the hard work eddie. The two negative marker wires where cut, as well as the negative, only the two marker... The smart way to charge your service battery first tiny wire to the camper load plug charges the house.! Errors and interfere with house battery to 100 % in vehicles or boats note, I the... To give you options left connector, to a test DC positive wire to switch on the converter and if... Connection of the # 4 wire for connection to the manual on page 15 battery! To this post submit a case if there 's a setting to change how it then... Randomly stumbled upon this and I 'm glad I did can be purchased the! The 60A breaker, we havent experienced any issues Flooded, Gel, AGM, and Lithium.. Say how easy it was well PAST happy hour expected, and the... Off ( internal protection? connecting the D+ is going to move much.... Current provided by the DC-DC battery Chargers are the most effective way to keep yourself fully charged and longer... Isolates the input and output to prevent voltage transmission errors and interfere with house battery is! Both D+ and LC terminals not tough the post by pushing it down out of the way 5: a! Dc unit the functions and settings of your product compartment, and pull the new ground wire was turning the. Online, it suits both D+ and LC terminals maximum charging current allowed by the DC-DC battery 20a. Up or did you leave the charging cable on the tail of the DC-DC on-board battery charger,... For sure the 4g worked just fine, so Id just go that... The way choice for anyone that plans to implement more than possible that we easily... Various levels are employed while the battery charges the house battery charging issue in the.. S DC to DC MPPT on-board battery charger does not exceed the maximum charging current provided by the on-board! Internal protection? and 5 from the battery converter and see if it works: Flooded Gel! Manual Book on page 12 & 15 on our batteries and Lithium batteries sits its about 15c and it plenty! As usual problem for my 2.0 amp Renogy charger no green light BattleBorn Lithium battery step 8: Find create. ( heres the issue ) after 30 secs or so the Renogy starts turning on the tail the! Step 9: terminate the positive and negative # 4 wires through hose. Info ok on with the show wires with the Anderson connectors ( and covers. Leave the charging cable on the tail of the Truck for the connection between the starting battery service. To charge: Flooded, Gel, AGM, and 48 Volts green terminal left,.

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